[quote=sandiegojeff]If they are putting signs in the yard advertising homes for sale don’t they have to be licensed with the CA Dept of RE?[/quote]

sandiegojeff, check the Fictitious Business Names (FBN) Index at the Clerk/Recorder’s Office for the name of the proprietor of this business. Then check those names on the DRE website for Broker/Salesperson licenses. Then you will have your answer.